Title:
POWER CONVERTER, CONTROL METHOD FOR POWER CONVERTER, POWER SYSTEM, CONTROL METHOD FOR POWER SYSTEM, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/004611
Kind Code:
A1
Abstract:
Provided is a power system in which a plurality of power elements are provided, each element comprising: a power converter electrically connected to a commercial AC power grid; and a device electrically connected to the power converter. The power system comprises a control unit that executes primary control on the basis of a reference function having droop characteristics for generating a target value for self-end control of the device by the electric converter in accordance with a voltage measured at the power converter. The power system has a function of secondary control for updating the reference function having the droop characteristics in accordance with a power situation of the plurality of power elements. A control cycle of the primary control and a control cycle of the secondary control differ.
Inventors:
RIKISO MASAHIRO (JP)
ABE ASUKA (JP)
ABE ASUKA (JP)
Application Number:
PCT/JP2021/024228
Publication Date:
January 06, 2022
Filing Date:
June 25, 2021
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
H02J5/00; H02J1/00; H02J3/38; H02M3/00
Domestic Patent References:
| WO2019166293A1 | 2019-09-06 | |||
| WO2019103059A1 | 2019-05-31 |
Foreign References:
| JP2017158264A | 2017-09-07 | |||
| JP2020068650A | 2020-04-30 | |||
| JP6371603B2 | 2018-08-08 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: